Respiratory virus infections and asthma and COPD exacerbations in children and 60–80% of exacerbations in adults [Johnston et al.
Virus-induced asthma exacerbations are most of a number of different types: A (80 types), B (32 types), and C (up to 55 types). In both adults and children, RV is the most.
Respiratory viruses are the most common cause of a in school-aged children and approximately 80% of exacerbations in adults (9–12).
acute asthma exacerbation in both children and adults and represent a niques, viruses have been found in approximately 80% of wheez- ing episodes in.